Methods for transmission and reception of control information in a coordinated system

ABSTRACT

A wireless communication method, comprising: forming M groups of data transmission configurations, wherein the m th  group of data transmission configuration corresponds to the data transmission scheduled by a maximum number of K m  control information sets, where M&gt;0, m=1, . . . , M and K m &gt;0, defining one or more transmission settings for said M groups of data transmission configurations, allocating resources among the one or more transmission settings, generating one or more control information sets associated with said one or more transmission settings, transmitting the one or more control information sets to a wireless network.

CROSS REFERENCE TO RELATED APPLICATIONS

This patent document is a continuation of and claims priority toInternational Patent Application No. PCT/CN2017/088791, filed on Jun.16, 2017. The entire content of the before-mentioned patent applicationis incorporated by reference as part of the disclosure of thisapplication.

TECHNICAL FIELD

This disclosure is directed generally to digital wirelesscommunications.

BACKGROUND

Mobile telecommunication technologies are moving the world toward anincreasingly connected and networked society. In comparison with theexisting wireless networks, next generation systems and wirelesscommunication techniques will need to support a much wider range ofuse-case characteristics and provide a much more complex range of accessrequirements and flexibilities.

SUMMARY

This disclosure relates to methods, systems, and devices fortransmitting overhead control information from a base station to amobile station such that the mobile station may support receivingmultiple control and data channels on the downlink, schedule the uplinkdata transmission, and schedule the channel state information (CSI)calculation on the downlink.

In one exemplary aspect, a wireless communication method is disclosed.The method comprises forming M groups of data transmissionconfigurations, wherein the m^(th) group of data transmissionconfiguration corresponds to the data transmission scheduled by amaximum number of K_(m) control information sets, where M>0, m=1, . . ., M and K_(m)>0, defining one or more transmission settings for said Mgroups of data transmission configurations, allocating number of datalayers among the one or more transmission settings, generating one ormore control information sets associated with said one or moretransmission settings, and transmitting the one or more controlinformation sets to a wireless network.

In one exemplary aspect, a wireless communication method is disclosed.The method comprises forming M groups of data transmissionconfigurations, wherein the m^(th) group of data transmissionconfiguration corresponds to the data transmission scheduled by amaximum number of K_(m) control information sets, where M>0, m=1, . . ., M and K_(m)>0, defining one or more transmission settings for said Mgroups of data transmission configurations, allocating resources amongthe one or more transmission settings, generating one or more controlinformation sets associated with said one or more transmission settings,and transmitting the one or more control information sets to a wirelessnetwork.

In another exemplary aspect, a wireless communication method isdisclosed. The method comprises forming M groups of data transmissionconfigurations, wherein the m^(th) group of data transmissionconfiguration corresponds to the data transmission scheduled by amaximum number of K_(m) control information sets, where M>0, m=1, . . ., M and K_(m)>0, defining one or more transmission settings for said Mgroups of data transmission configurations, allocating number of datalayers among the one or more transmission settings, generating one ormore control information sets associated with said one or moretransmission settings, and receiving the one or more control informationsets from a wireless network.

In another exemplary aspect, a wireless communication method isdisclosed. The method comprises forming M groups of data transmissionconfigurations, wherein the m^(th) group of data transmissionconfiguration corresponds to the data transmission scheduled by amaximum number of K_(m) control information sets, where M>0, m=1, . . ., M and K_(m)>0, defining one or more transmission settings for said Mgroups of data transmission configurations, allocating resources amongthe one or more transmission settings, generating one or more controlinformation sets associated with said one or more transmission settings,and receiving the one or more control information sets from a wirelessnetwork.

In yet another exemplary aspect, a wireless communication method isdisclosed. The method comprises forming M groups of measurementconfigurations, wherein the m^(th) group of measurement configurationcorresponds to the measurement scheduled by a maximum number of K_(m)control information sets, where M>0, m=1, M and K_(m)>0, defining one ormore settings for said M groups of measurement configurations,generating one or more control information sets associated with theallocated number of settings within each group, and transmitting the oneor more control information sets to a wireless network.

In yet another exemplary aspect, a wireless communication method isdisclosed. The method comprises forming M groups of measurementconfigurations, wherein the m^(th) group of measurement configurationcorresponds to the measurement scheduled by a maximum number of K_(m)control information sets, where M>0, m=1, . . . , M and K_(m)>0,defining one or more settings for said M groups of measurementconfigurations, generating one or more control information setsassociated with the allocated number of settings within each group, andreceiving the one or more control information sets from a wirelessnetwork.

In one exemplary aspect, a wireless communication method is disclosed.The method comprises forming M groups of data transmissionconfigurations, wherein the m^(th) group of data transmissionconfiguration corresponds to the data transmission scheduled by amaximum number of K_(m) control information sets, where M>0, m=1, . . ., M and K_(m)>0, defining one or more transmission settings for said Mgroups of data transmission configurations, allocating number of datalayers among the one or more transmission settings, generating one ormore control information sets associated with said one or moretransmission settings, transmitting the one or more control informationsets to a wireless network, receiving the one or more controlinformation sets from a wireless network, and scheduling thecorresponding responding data transmissions.

In one exemplary aspect, a wireless communication method is disclosed.The method comprises forming M groups of data transmissionconfigurations, wherein the m^(th) group of data transmissionconfiguration corresponds to the data transmission scheduled by amaximum number of K_(m) control information sets, where M>0, m=1, . . ., M and K_(m)>0, defining one or more transmission settings for said Mgroups of data transmission configurations, allocating resources amongthe one or more transmission settings, generating one or more controlinformation sets associated with said one or more transmission settings,transmitting the one or more control information sets to a wirelessnetwork, receiving the one or more control information sets from awireless network, and scheduling the corresponding responding datatransmissions.

In yet another exemplary aspect, a wireless communication base stationis disclosed. The wireless communication base station comprises a memorythat stores instructions for operations of the base station, and aprocessor in communication with the memory operable to executeinstructions to cause the base station to transmit in a transmissionthat includes one or more slots, a message indicative of controlinformation, wherein the control information contains informationnecessary to enable substantially simultaneous demodulation and decodingof both the overhead control information and the associated data.

In yet another exemplary aspect, a wireless communication mobile stationis disclosed. The wireless communication mobile station comprises amemory that stores instructions for operations of the mobile station,and a processor that is in communication with the memory and operable toexecute the instructions to cause the mobile station to receive, in atransmission that includes one or more slots, a message indicative ofcontrol information, wherein the control information containsinformation necessary to enable the substantially simultaneousdemodulation and decoding of both the overhead control information andthe associated data.

In yet another exemplary aspect, the above-described methods areembodied in the form of processor-executable code and stored in acomputer-readable program medium.

In yet another exemplary embodiment, a device that is configured oroperable to perform the above-described methods is disclosed.

The above and other aspects and their implementations are described ingreater detail in the drawings, the descriptions, and the claims.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1A shows an exemplary diagram of a mobile station (UE) receivingmultiple control information sets (PDCCH) and the associated data(PDSCH) from multiple transmission points.

FIG. 1A-1 shows an exemplary diagram of a mobile station (UE) receivingmultiple control information sets (PDCCH) and the associated data(PDSCH) from multiple antenna groups within a single transmission point.

FIG. 1B shows a diagram of a mobile station (UE) receiving a controlinformation set (PDCCH) from a single transmission point and theassociated data (PDSCH) from multiple transmission points, in accordancewith some embodiments.

FIG. 1B-1 shows a diagram of a mobile station (UE) receiving a controlinformation set (PDCCH) from a single transmission point and theassociated data (PDSCH) from multiple antenna groups from a singletransmission point.

FIG. 2 shows an exemplary formation of transmission groups definingtransmission settings as needed within each group.

FIG. 3 shows an exemplary allocation of antenna resources/referencesignals among the transmission settings along with the generation of theassociated control information for the transmission settings.

FIG. 4-1 illustrates an example of division of the downlink channel intoa control region and data region, with the data region further dividedin sub-regions.

FIG. 4-2 illustrates an example of division of the downlink channel intoa control region and data region, with no further subdivision of thedata region.

FIG. 5 shows an example of mapping between the control information setand the corresponding transmission point(s).

FIG. 6 shows an example of division of the downlink channel into acontrol region and a data region.

FIG. 7 shows a division of the control region of FIG. 6.

FIG. 8 shows an example of mapping between the control information setand the corresponding transmission unit.

FIG. 9 shows information bit-level processing for the controlinformation set through a data scrambler.

FIG. 10 shows an example implementation of information bit-levelprocessing for the control information set by augmenting the data with acyclic redundancy check (CRC) sequence.

FIG. 11 shows an exemplary reception of control information sets basedon quasi co-location of antenna ports.

FIG. 12A shows a flowchart of an example process of wirelesscommunications.

FIG. 12B shows a flowchart of an example process of wirelesscommunications.

FIG. 13A shows an exemplary diagram of a mobile station (UE) receivingmultiple control information sets (PDCCH) from multiple transmissionpoints and the UE transmitting back to the corresponding transmissionpoints the associated uplink control information sets (PUCCH) and theassociated uplink data (PUSCH).

FIG. 13A-1 shows an exemplary diagram of a mobile station (UE) receivingmultiple control information sets (PDCCH) from multiple antenna groupswithin a single transmission point and the UE transmitting back to thetransmission point multiple control information sets (PUCCH) and theassociated uplink data (PUSCH) to the corresponding antenna group.

FIG. 13B shows an exemplary diagram of a mobile station (UE) receiving acontrol information set (PDCCH) from a single transmission point and theUE transmitting back to both transmission points the associated uplinkcontrol information set (PUCCH) and the associated uplink data (PUSCH).

FIG. 13B-1 shows an exemplary diagram on a mobile station (UE) receivinga control information set (PDCCH) from a single transmission point withmultiple antenna groups with the PDCCH being transmitted by only one ofthe antenna groups and the UE transmitting back to the multiple antennagroups of the transmission point the associated uplink controlinformation set (PUCCH) and the associated uplink data (PUSCH).

FIG. 14 shows an exemplary formation of measurement configuration groupsdefining settings as needed within each group.

FIG. 15 shows an exemplary allocation of various settings within onemeasurement configuration group among the control information sets.

FIG. 16-1 illustrates an example division of the uplink channel dataregion corresponding to the control information sets in the downlinkcontrol region, with the uplink channel data region further divided intosub-regions.

FIG. 16-2 illustrates an example of the uplink channel data regioncorresponding to the control information sets in the downlink controlregion, with no subdivision of the uplink channel data region.

FIG. 17 shows a flowchart of an example process of wirelesscommunications.

FIG. 18 shows a flowchart of an example process of wirelesscommunications.

FIG. 19 shows a flowchart of an example process of wirelesscommunications.

DETAILED DESCRIPTION

The rapid growth of mobile communications and advances in technology hasled to greater demand for capacity and peak data rates. Other aspects,such as energy consumption, device cost, spectral efficiency, cost perdelivered bit, throughput, and latency are also important to the successof future wireless networks.

In this disclosure the term “transmission unit” (TRU) refers to a unitfrom which the data can be transmitted. A coordinated transmission canbe conducted among multiple TRU's, whether that coordinated transmissionarises from a mobile station (UE) in communication with two or morenon-co-located transmission points (in this example the TRU encompassesthe transmission points (TRP's) 104 and 106, as illustrated in FIG. 1Aand FIG. 1B), or a mobile station (UE) 102 in communication with two ormore antenna panels or any combination of antenna elements within singletransmission point (in this example the TRU encompasses the antennaarray 140, as illustrated in FIG. 1A-1 and FIG. 1B-1).

The term “transmission techniques” refers to different multiple-antennaschemes, e.g., diversity, multiplexing with different maximal supportedlayers, beamforming, or transmission with single or multiplePDCCH/PDSCH, or from single or multiple TRU's.

The term “exemplary” is used to mean “an example of” and, unlessotherwise stated, does not imply an ideal or a preferred embodiment.

In next generation systems, such as the 5G New Radio systems (5G-NR), toincrease bandwidth and throughput to the mobile station (UE), support ofsubstantially simultaneous reception of multiple PDCCH/PDSCH's at the UEmay be desirable when possible.

In current LTE systems, coordinated multipoint (CoMP) transmission suchas inter-cell interference cancellation (ICIC) or Dynamic PointSelection (DPS) or Dynamic Point Blanking (DPB) or non-coherent JointTransmission (NCJT) may be used to alleviate the co-channel interferenceproblem among different transmission points (TRP). Using these methods,joint data transmission from multiple TRP's is possible. However,current systems allow only for the mobile station to receive a singlePDCCH from the host transmission unit, while the data on the PDSCH maybe jointly transmitted.

In this document, examples with various levels of details are set forthto illustrate aspects of the presently disclosed technology.

For example, when supporting a mobile station (UE) to receive multiplePDCCH's and PDSCH's from multiple TRP's or from multiple antenna panelslocated at a single TRP, it is useful to coordinate the allocation ofresources, e.g., number of layers, RS resources, for each PDCCH/PDSCHassociated with the various TRP's. Meanwhile, it is useful to find aproper allocation of resources to support substantially simultaneousreception of the PDCCH and PDSCH at the mobile station (UE) based onreported UE capability, while still maintaining backwards compatibility.And relatedly, it is useful to have a scheme wherein the mobile station(UE) can identify, and properly demodulate and decode the multiplePDCCH's such that the UE can support substantially simultaneousreception of the PDCCH and PDSCH and substantially simultaneoustransmission of PUCCH and PUSCH.

In yet another example, when supporting a mobile station (UE) totransmit multiple PUCCH's and PUSCH's from multiple antenna panelslocated at the UE based on the received PDCCH's, it is useful tocoordinate the allocation of resources, e.g. number of layers, RSresources for each PUCCH/PUSCH associated with the various downlinkcontrol information (DCI). Meanwhile, it is also useful to find a properallocation of resources to support the substantially simultaneoustransmission of the PUCCH and PUSCH at the mobile station (UE) based onthe reported UE capability, while still maintaining backwardscapability.

In yet another example, when supporting a mobile station (UE) to receivemultiple PDCCH's from multiple TRP's or from multiple antenna panelslocated at a single TRP, it is useful to coordinate the settings, e.g.,RS settings, reporting settings, for each PDCCH associated with thevarious TRP's. Meanwhile, it is useful to find a proper allocation ofsettings to support the measurement of channel state information at themobile station (UE) based on reported UE capability, while stillmaintaining backwards compatibility. And relatedly, it is useful to havea scheme wherein the mobile station (UE) can identify, and properlydemodulate and decode the multiple PDCCH's such that the UE can supportsubstantially simultaneous reception of the PDCCH and calculation ofchannel state information.

Thus, utilizing the technology disclosed, next generation systems, suchas the 5G New Radio systems (5G-NR), may increase bandwidth andthroughput to the mobile station (UE) through support of substantiallysimultaneous reception of multiple PDCCH/PDSCH's when possible.

The specifics in the described examples should not be construed aslimitations on the scope of the disclosed technology or what may beclaimed, but rather as descriptions of features that may or may not bespecific to particular embodiments of specific disclosed technology.Certain features that are described in this document are in the contextof separate embodiments may also be implemented in combination in asingle embodiment. Conversely, features that are described in thecontext of a single embodiment may also be implemented in multipleembodiments separately or in any suitable combination. Moreover,although features may be described above as acting in certaincombinations and even initially claimed as such, one or more featuresfrom a claimed combination can in some cases be excised from thecombination, and the claimed combination may be directed to asub-combination or variation of a sub-combination.

Similarly, while operations are depicted in the drawings in a particularorder, this should not be understood as requiring that such operationsbe performed in the particular order shown or in sequential order, orthat all illustrated operations be performed, to achieve desirableresults. Moreover, the separation of various system components in theembodiments described in this disclosure should not be understood asrequiring such separation in all embodiments.

For example FIG. 1A shows a mobile station (UE) 102 in a wirelessnetwork in communication with two transmission points (TRP's) 104 and106 utilizing the technology disclosed enabling the UE to receivemultiple PDCCH's 108 and 110 and PDSCH's 118 and 120 substantiallysimultaneously from transmission points (TRP's) 104 and 106, through theaforementioned CoMP techniques. FIG. 1A-1 shows a mobile station (UE)102 in a wireless network in communication with a transmission point 104with an antenna array 140 consisting of two separate antenna groups(panels) 142 and 144 utilizing the technology disclosed enabling the UEto receive multiple PDCCH's 108 and 110 and PDSCH's 118 and 120substantially simultaneously from the transmission point 104 through theaforementioned CoMP techniques.

FIG. 1B shows a mobile station (UE) 102 in a wireless network incommunication with two transmission points (TRP's) 104 and 106,utilizing the technology disclosed but for backwards compatibilitypurposes, receiving a single PDCCH 112 from the host transmission unitassigned to transmission point 104, but still receiving the PDSCH 114jointly from both transmission points (TRP's) 104 and 106 through theaforementioned CoMP techniques. FIG. 1B-1 shows a mobile station (UE)102 in a wireless network in communication with a transmission point 104with an antenna array 140 consisting of two separate antenna groups(panels), utilizing the technology disclosed but for backwardscompatibility purposes, receiving a single PDCCH 112 from the hosttransmission unit assigned to transmission point 104 antenna group(panel) 144, but still receiving the PDSCH 114 jointly from both antennagroups (panels) 142 and 144 of the transmission point 104.

FIG. 13A shows a mobile station (UE) 102 in a wireless network incommunication with two transmission points (TRP's) 104 and 106 utilizingthe technology disclosed enabling the UE to receive multiple PDCCH's 108and 110 substantially simultaneously, through the aforementioned CoMPtechniques and the UE transmitting multiple PUCCH's 160 and 162 andcorresponding PUSCH's 170 and 172 to the corresponding transmissionpoints (TRP's) 104 and 106. FIG. 13A-1, shows a mobile station (UE) 102in a wireless network in communication with a transmission point 104with an antenna array 140 consisting of two separate antenna groups(panels) 142 and 144 utilizing the technology disclosed enabling the UEto receive multiple PDCCH's 108 and 110 substantially simultaneouslyfrom the transmission point 104 through the aforementioned CoMPtechniques and the UE transmitting multiple PUCCH's 162 and 164 andcorresponding PUSCH's 172 and 174 to the corresponding antenna groups(panels) 142 and 144 at the transmission point 104.

FIG. 13B shows a mobile station (UE) 102 in a wireless network incommunication with two transmission points (TRP's) 104 and 106,utilizing the technology disclosed but for backwards compatibilitypurposes, receiving a single PDCCH 112 from the host transmission unitassigned to transmission point 104, but transmitting the PUCCH and PUSCHto both transmission points (TRP's) 104 and 106. FIG. 13B-1 shows amobile station (UE) 102 in a wireless network in communication with atransmission point 104 with an antenna array 140 consisting of twoseparate antenna groups (panels) 142 and 144, utilizing the technologydisclosed but for backwards compatibility purposes, receiving a singlePDCCH 112 from the host transmission unit assigned to transmission point104 antenna group (panel) 144, but transmitting the PUCCH and PUSCH toboth antenna panels of the transmission point 104.

For example, to support the reception of multiple PDCCH and PDSCH asshown in FIG. 1A and the transmission of multiple PUCCH and PUSCH asshown in FIG. 13A, FIG. 2 illustrates the forming of transmission groups202, . . . , 206, where the transmission groups are formed based onvarious transmission techniques.

In some embodiments, when forming the transmission groups, the varioustransmission techniques that may be considered include but is notlimited to: whether the data transmission is scheduled by single ormultiple control information sets and whether the data transmission isfrom a single or multiple transmission units. Furthermore, in someembodiments defining the parameters of the transmission settings withina transmission group may be done jointly across the group. In someembodiments, defining the parameters of the transmission settings withina transmission group may be done separately without regards to othersettings in the transmission group. In other embodiments the parametersof the transmission settings within a transmission group may be doneindependently.

In some embodiments allocating of the number of data layers to thevarious transmission settings in the transmission group can be donejointly based on UE's capability. For example in some embodiments, thereare J transmission settings that need defining, each with itscorresponding control information set. For each transmission setting, Hlayers are assigned to each transmission setting. The transmissionsettings within each transmission group may refer to the varioussettings and options in the wireless system including for example RadioResource Control (RRC) configuration, MAC configuration, DownlinkControl Information (DCI) format, the related search space, and/or thecorresponding transmission scheme of the PDSCH corresponding to theassociated PDCCH, which takes into account the MIMO capabilities of themobile station (UE).

Defining H_(i) as the number of layers assigned to the i^(th)transmission setting for the transmission group, in some embodiments, afixed number of layer(s) (e.g., H₁) are allocated to the firsttransmission setting. If scheduled data based on these transmissionsettings is to be received by the mobile station (UE) substantiallysimultaneously, the following condition should be satisfied:

${{\sum\limits_{n = 2}^{N}H_{n}} = {H - {H_{1}\left( {H_{n} \geq 1} \right)}}},$where H is the maximum number of layers the UE supports. Taking intoaccount the UE's capability with regards to the maximum number of layersit can support, the total number of layers assigned to each transmissionsetting, when summed together should not exceed H−H₁ in someembodiments, where H₁ is the number of layer(s) allocated to the firsttransmission setting. The remaining transmission settings may beconfigured according to the properties of the corresponding transmissiongroup. In some embodiments the maximum number of layers the UE supportsmay be reported to the wireless network.

In some embodiments, transmission settings may be configured accordingto the properties of the transmission group with allocating the numberof layers based on a semi-persistent coordination among thecorresponding transmission units. If scheduled data based on thesetransmission settings is to be received by the mobile station (UE)substantially simultaneously, the following condition should besatisfied:

${{{\sum\limits_{n = 1}^{N}H_{n}} = H};\left( {H_{n} \geq 1} \right)},$where H is the maximum number of layers the UE supports. In someembodiments, the maximum number of layers the UE supports may bereported to the wireless network. In some embodiments, the UE may reportthe maximum number of MIMO layers it supports for each PDSCH separatelyor together with the overall maximum number of MIMO layers it supports.Additionally, in some embodiments semi-persistent coordination may allowthe mobile station (UE) to receive data on the PDSCH according to thepre-configured periodicity in the semi-persistent coordinationconfiguration.

In some embodiments, if scheduled data based on these transmissionsettings is to be received by the mobile station (UE) substantiallysimultaneously, the following condition should be satisfied:

${{{H_{n} \leq {H_{n}^{T}\mspace{14mu}{and}\mspace{14mu}{\sum\limits_{n = 1}^{N}\; H_{n}^{T}}}} = H};\left( {H_{n} \geq 1} \right)},$where H is the maximum number of layers the UE supports and H_(n) ^(T)is the maximum number of layer(s) the UE can support for the n^(th)PDSCH/PDCCH from the corresponding TRU.

In some embodiments allocating of the number of data layers to thevarious transmission settings in the transmission group can be donejointly based on UE's capability. For example in some embodiments, thereare N transmission settings that need defining, each with itscorresponding control information set. For the n^(th) transmissionsetting, E_(n) layers are assigned. The transmission settings withineach transmission group may refer to the various settings and options inthe wireless system including for example Radio Resource Control (RRC)configuration, MAC configuration, Downlink Control Information (DCI)format, the related search space, and/or the corresponding transmissionscheme of the PUSCH corresponding to the associated PDCCH, which takesinto account the MIMO capabilities of the mobile station (UE).

Defining E_(i) as the number of layers assigned to the i^(th)transmission setting for the transmission group, in some embodiments, afixed number of layer(s) (e.g., E₁) are allocated to the firsttransmission setting. If scheduled UL data based on these transmissionsettings is to be transmitted by the mobile station (UE) substantiallysimultaneously, the following condition should be satisfied:

${{\sum\limits_{n = 2}^{N}E_{n}} = {E - {E_{1}\mspace{14mu}\left( {E_{n} \geq 1} \right)}}},$where E is the maximum number of layers the UE supports. Taking intoaccount the UE's capability with regards to the maximum number of layersit can support, the total number of layers assigned to each transmissionsetting, when summed together should not exceed E−E₁ in someembodiments, where E₁ is the number of layer(s) allocated to the firsttransmission setting. The remaining transmission settings may beconfigured according to the properties of the corresponding transmissiongroup. In some embodiments the maximum number of layers the UE supportsmay be reported to the wireless network.

In some embodiments, transmission settings may be configured accordingto the properties of the transmission group with allocating the numberof layers based on a semi-persistent coordination among thecorresponding transmission units. If scheduled UL data based on thesetransmission settings is to be transmitted by the mobile station (UE)substantially simultaneously, the following condition should besatisfied:

${{{\sum\limits_{n = 1}^{N}\; E_{n}} = E};\left( {E_{n} \geq 1} \right)},$where E is the maximum number of layers the UE supports. In someembodiments, the maximum number of layers the UE supports may bereported to the wireless network. In some embodiments, the UE may reportthe maximum number of MIMO layers it supports for each PUSCH separatelyor together with the overall maximum number of MIMO layers it supports.Additionally, in some embodiments semi-persistent coordination may allowthe mobile station (UE) to transmit data on the PUSCH according to thepre-configured periodicity in the semi-persistent coordinationconfiguration.

In some embodiments, if scheduled UL data based on these transmissionsettings is to be transmitted by the mobile station (UE) substantiallysimultaneously, the following condition should be satisfied:

${{{E_{n} \leq {E_{n}^{T}\mspace{14mu}{and}\mspace{14mu}{\sum\limits_{n = 1}^{N}E_{n}^{T}}}} = E};\left( {E_{n} \geq 1} \right)},$where E is the maximum number of layers the UE supports and E_(n) ^(T)is the maximum number of layer(s) the UE can support for the n^(th)PUCCH/PUSCH to the corresponding TRU.

FIG. 3 illustrates some embodiments of the allocating of RS resources tothe various transmission settings in the transmission group. In FIG. 3,the various antenna ports 302 correspond to the overall set of referencesignals (RS) 300. For example in some embodiments there may be aone-to-one correspondence between antenna ports and reference signals.There are N 314, 316, . . . , 318 transmission settings that needdefining, each with its corresponding control information set 324, 326,. . . , 328. For the n^(th) transmission setting, L_(n) ports (with eachport having its corresponding RS) 304, 306, . . . , 308 are assigned toeach transmission setting. In some embodiments, each of the ports in theRS pool is assigned to exclusively to one of the transmission settings.The transmission settings within each transmission group may refer tothe various settings and options in the wireless system including forexample Radio Resource Control (RRC) configuration, MAC configuration,Downlink Control Information (DCI) format, the related search space,and/or the corresponding transmission scheme of the PDSCH correspondingto the associated PDCCH, which takes into account the MIMO capabilitiesof the mobile station (UE).

Defining L_(i) as the set of RS ports assigned to the i^(th)transmission setting for the transmission group, in some embodiments, afixed number of RS (e.g., L₁ ports) are allocated to the firsttransmission setting. If scheduled data based on these transmissionsettings is to be received by the mobile station (UE) substantiallysimultaneously, the following condition should be satisfied:

${{\sum\limits_{n = 2}^{N}L_{n}} = {L - {L_{1}\mspace{14mu}\left( {L_{n} \geq 1} \right)}}},$where L is the maximum number of RS the UE supports.

Taking into account the UE's capability with regards to the maximumnumber of RS it can support, the total number of RS assigned to eachtransmission setting, when summed together should not exceed L−L₁ insome embodiments, where L is the maximum supported RS and L₁ is thenumber of RS allocated to the first transmission setting. The remainingtransmission settings may be configured according to the properties ofthe corresponding transmission group. In some embodiments the maximumnumber of RS the UE supports may be reported to the wireless network.

FIG. 3 also illustrates some embodiments of the allocating of RSresources to the various transmission settings in the transmissiongroup. In FIG. 3, the various antenna ports 302 correspond to theoverall set of reference signals (RS) 300. For example in someembodiments there may be a one-to-one correspondence between antennaports and reference signals. There are N 314, 316, . . . , 318transmission settings that need defining, each with its correspondingcontrol information set 324, 326, . . . , 328. For the n^(th)transmission setting, W_(n) ports (with each port having itscorresponding RS) 304, 306, . . . , 308 are assigned to eachtransmission setting. In some embodiments, each of the ports in the RSpool is assigned to exclusively to one of the transmission settings. Thetransmission settings within each transmission group may refer to thevarious settings and options in the wireless system including forexample Control (RRC) configuration, MAC configuration, Downlink ControlInformation (DCI) format, the related search space, and/or thecorresponding transmission scheme of the PUSCH/PUCCH corresponding tothe associated PDCCH, which takes into account the MIMO capabilities ofthe mobile station (UE).

Defining W_(i) as the set of RS ports assigned to the i^(th)transmission setting for the transmission group, in some embodiments, afixed number of RS (e.g., W₁ ports) are allocated to the firsttransmission setting. If scheduled UL data based on these transmissionsettings is to be transmitted by the mobile station (UE) substantiallysimultaneously, the following condition should be satisfied:

${{\sum\limits_{n = 2}^{N}W_{n}} = {W - {W_{1}\mspace{14mu}\left( {W_{n} \geq 1} \right)}}},$where W is the maximum number of RS the UE supports. Taking into accountthe UE's capability with regards to the maximum number of RS it cansupport, the total number of RS assigned to each transmission setting,when summed together should not exceed W−W₁ in some embodiments, where Wis the maximum supported RS and W₁ is the number of RS allocated to thefirst transmission setting. The remaining transmission settings may beconfigured according to the properties of the corresponding transmissiongroup. In some embodiments the maximum number of RS the UE supports maybe reported to the wireless network.

In some embodiments, transmission settings may be configured accordingto the properties of the transmission group with the RS ports allocationbased on semi-persistent coordination among the correspondingtransmission units. If scheduled data based on these transmissionsettings is to be received by the mobile station (UE) substantiallysimultaneously, the following condition should be satisfied:

${{{\sum\limits_{n = 1}^{N}L_{n}} = L};\mspace{14mu}\left( {L_{n} \geq 1} \right)},$where L is the maximum number of RS ports the UE supports. In someembodiments, the UE may report the maximum number of RS ports itsupports for each PDSCH separately or together with the overall maximumnumber of RS ports it supports. Additionally, in some embodimentssemi-persistent coordination may allow the mobile station (UE) toreceive data on the PDSCH according to the pre-configured periodicity inthe semi-persistent coordination configuration.

In some embodiments, transmission settings may be configured accordingto the properties of the transmission group with the RS allocation basedon semi-persistent coordination among the corresponding transmissionunits. If scheduled UL data based on these transmission settings is tobe transmitted by the mobile station (UE) substantially simultaneously,the following condition should be satisfied:

${{{\sum\limits_{n = 1}^{N}W_{n}} = W};\mspace{14mu}\left( {W_{n} \geq 1} \right)},$where W is the maximum number of RS ports the UE supports. In someembodiments, the UE may report the maximum number of RS it supports foreach PUSCH separately or together with the overall maximum number of RSit supports. In some embodiments, the maximum number of RS the UEsupports may be reported to the wireless network. Additionally, in someembodiments semi-persistent coordination may allow the mobile station(UE) to transmit data on the PUSCH/PUSCH according to the pre-configuredperiodicity in the semi-persistent coordination configuration.

In some embodiments, transmission settings may be configured accordingto the properties of the transmission group with the RS ports allocationbased on semi-persistent coordination among the correspondingtransmission units. If scheduled data based on these transmissionsettings is to be received by the mobile station (UE) substantiallysimultaneously, the following condition should be satisfied:

${{{L_{n} \leq {L_{n}^{T}\mspace{14mu}{and}\mspace{14mu}{\sum\limits_{n = 1}^{N}L_{n}^{T}}}} = L};\left( {L_{n} \geq 1} \right)},$where L is the maximum number of RS ports the UE supports and L_(n)^(T), is the maximum number of ports(s) the UE can support for then^(th) PDSCH/PDCCH from the corresponding TRU.

In some embodiments, transmission settings may be configured accordingto the properties of the transmission group with the RS allocation basedon semi-persistent coordination among the corresponding transmissionunits. If scheduled UL data based on these transmission settings is tobe transmitted by the mobile station (UE) substantially simultaneously,the following condition should be satisfied:

${{{W_{n} \leq {W_{n}^{T}\mspace{14mu}{and}\mspace{14mu}{\sum\limits_{n = 1}^{N}W_{n}^{T}}}} = W};\left( {W_{n} \geq 1} \right)},$where W is the maximum number of RS ports the UE supports and W_(n) ^(T)is the maximum number of RS ports the UE can support for the n^(th)PUSCH/PUCCH to the corresponding TRU.

In some embodiments, the RS allocations for each transmission settingcan be jointly done with other components within the same transmissionsettings. For example, in case that number of layers are configured ineach transmission setting, for RS allocation, the following conditionshould be satisfied: L_(n)≤H_(n).

In some embodiments, the RS allocations for each transmission settingcan be jointly done with other components within the same transmissionsettings. For example, in case that number of layers are configured ineach transmission setting, for RS allocation, the following conditionshould be satisfied: W_(n)≤E_(n).

In some embodiments, the allocation of L_(n) RS's ports for n^(th)transmission setting can be further divided into S_(n) (L_(n)≥S_(n)≥1)sub-groups and within the i^(th) group

$G_{i}\mspace{14mu}\left( {1 \leq G_{i} \leq W_{n}} \right)\mspace{14mu}{and}\mspace{14mu}\left( {{\sum\limits_{i = 1}^{S_{n}}\; G_{i}} \leq W_{n}} \right)$RS's are included. RS ports within one sub-group may assume QCLproperties are in existence. Mobile station (UE) is allowed toderive/assume/utilize the large scale channel properties as measured onone antenna port to be applicable to the associated QCL antenna port(e.g. the channel estimate based on port A can be used for port B at theUE). The large scale channel properties that may be considered includesone or more but is not limited to: Doppler spread, Doppler shift, delayspread, average delay, average gain, and/or spatial parameters.

In some embodiments, the allocation W_(n) RS's ports for n^(th)transmission setting can be further divided into P_(n)(W_(n)≥P_(n)≥1sub-groups, and within i^(th) group

$X_{i}\mspace{14mu}\left( {1 \leq X_{i} \leq W_{n}} \right)\mspace{14mu}{and}\mspace{14mu}\left( {{\sum\limits_{i = 1}^{P_{n}}\; X_{i}} \leq W_{n}} \right)$RS's are included. RS ports within one sub-group may assume QCLproperties are in existence. Base station (gNB) is allowed toderive/assume/utilize the large scale channel properties as measured onone antenna port to be applicable to the associated QCL antenna port(e.g. the channel estimate based on port A can be used for port B at thegNB). The large scale channel properties that may be considered includesone or more but is not limited to: Doppler spread, Doppler shift, delayspread, average delay, average gain, and/or spatial parameters.

In some embodiments, the resource for transmission can be configuredwithin corresponding transmission settings independently or based onsemi-persistent coordination among the corresponding transmission units.FIG. 4-1 illustrates an example of the scheduled resource for eachcontrol information set, where the downlink channel is divided into acontrol region 402 and a data region 404. In the control region, thevarious control information sets 410, 412, . . . , 416 are transmitted.The data region is further sub-divided into sub-regions indexed from 1to J. In some embodiments the start position of the resources assignedto each data sub-region may be jointly determined by a function based atleast in part on the total number of resources in the data region andthe transmission unit index. As illustrated, a data sub-region may spanacross multiple resource elements in the time-frequency space and neednot necessarily be contiguous in either time or frequency. In someembodiments, the data sub-region mapping may be incorporated as part ofthe transmission settings or control information set to indicate whichof the possible J data sub-regions have been allocated for the datascheduled by the corresponding control information set (e.g., data 1scheduled by CS 1 (410)). This may be accomplished via a variety of datastructures, including but not limited to a bit-vector map, linked list,hashing function, variable length fields, variable field numbers, etc.In some embodiments, the allocation of data sub-regions from varioustransmission units may be done by pre-defined rules known apriori toboth the transmission units and the mobile station (UE). In someembodiments, as illustrated by FIG. 4-2, the allocation of data 424 andcontrol regions 422 from various transmission units may be done bypre-defined rules known apriori to both the transmission units and themobile station (UE).

In some embodiments, the resource for transmission can be configuredwithin corresponding transmission settings independently or based onsemi-persistent coordination among the corresponding transmission units.FIG. 16-1 illustrates an example of the scheduled resource for eachcontrol information set. In the control region of DL channel, thevarious control information sets 1602, 1604, . . . , 1608 aretransmitted. The data region of the UL channel is further sub-dividedinto sub-regions 1610, 1612, 1614, . . . , 1618 indexed from 1 to J. Insome embodiments the start position of the resources assigned to eachdata sub-region may be jointly determined by a function based at leastin part on the total number of resources in the data region and thetransmission unit index. As illustrated, a data sub-region may spanacross multiple resource elements in the time-frequency space and neednot necessarily be contiguous in either time or frequency. In someembodiments, the data sub-region mapping may be incorporated as part ofthe transmission settings or control information set to indicate whichof the possible J data sub-regions have been allocated for the datascheduled by the corresponding control information set (e.g., data 1scheduled by CS 1 (1602)). This may be accomplished via a variety ofdata structures, including but not limited to a bit-vector map, linkedlist, hashing function, variable length fields, variable field numbers,etc. In some embodiments, the allocation of data sub-regions fromvarious transmission units may be done by pre-defined rules knownapriori to both the transmission units and the mobile station (UE). Insome embodiments, as illustrated by FIG. 16-2, the allocation of UL dataregion 1622 from various transmission units may be done by pre-definedrules known apriori to both the transmission units and the mobilestation (UE). In some embodiments utilizing a time division duplexing(TDD) scheme, the DL control region and UL data region are transmittedin a time division multiplexed manner. In some embodiments utilizing afrequency division duplexing (FDD) scheme, the DL control region and ULdata region are transmitted on different carriers.

Additionally, as illustrated in FIG. 5, the mobile station may be ableto determine the association between each control information set 502and the corresponding transmission unit, which in turn indicates thecorresponding transmission point(s) 504. FIG. 5 shows M transmissionunits 506 associated with N 508 control information sets.

In some embodiments, to distinguish the control information set fromdifferent transmission units, a transmission indicator field is part ofthe control information set that the mobile station is responsible forblindly demodulating and decoding. In some embodiments the transmissionindicator field is interpreted as a unsigned integer whose numericalvalue indicates the associated transmission unit indexed from 1 to N. Insome embodiments N represents the maximum supported number of controlinformation sets supported by the UE within a single scheduled time,even if not all control information sets are transmitted. In otherembodiments, N represents the total number of transmitted controlinformation sets within a single scheduled time for the UE. In someembodiments the value of N may be signaled to the UE by higher layersignaling. The length of the transmission unit indicator field in numberof bits may be calculated as ceiling[log₂ (N)], where N is described asabove. In some embodiments, the allocated time-frequency space for thesecontrol information sets are non-overlapping. In some embodiments, theallocated time-frequency space for these control information sets areoverlapping. Table 1, shows an exemplary mapping of the transmissionunit indicator field, where N is 4.

TABLE 1 Example Transmission Unit Indicator Field Transmission UnitIndicator Field Transmission Unit Index 00 1 01 2 10 3 11 4

As illustrated in FIG. 6, in another embodiment to distinguish thecontrol information set from different transmission units, the controlinformation sets are assigned resources in the time frequency grid by apre-determined manner known apriori to the mobile station (UE). Asillustrated in FIG. 6, the downlink channel is divided into two regions,a control region 602 and a data region 604. The control region containsall the control information sets.

As illustrated in FIG. 7, in yet another embodiment to distinguish thecontrol information sets from different transmission units, the controlregion of FIG. 6 is further subdivided into control sub-regions indexedfrom 1 to N 702, 704, . . . , 706, where N refers to the total number ofcontrol information sets within a single scheduled time for the mobilestation (UE). As illustrated, each control sub-region is allocated totransmit a control information set 712, 714, . . . , 716 scheduled bythe corresponding transmission unit. In some embodiments, the startposition of the downlink channel resources belonging to each controlsub-region may be jointly determined by a function based at least inpart on the total number of resources in the control region and thetransmission unit index 730. As illustrated a control sub-region mayspan across multiple resource elements in the time frequency space andneed not necessarily be contiguous in time or frequency. In otherembodiments, the allocated downlink resources by a control informationset scheduled for a transmission unit may be based at least in part onthe size (number of information bits) of the control information set. Inother embodiments, the allocated downlink resources by a controlinformation set scheduled for a transmission unit may be based at leastin part on the link quality between the mobile station (UE) and theassociated transmission point within the transmission unit.

As illustrated in FIG. 8, in yet another embodiment to distinguish thecontrol information sets that correspond to the scheduled data, thecontrol region 802 is assigned to the host transmission unit thattransmits the control information sets 812, 814, . . . , 816 for all Ntransmission units. If a single control information set requires jdownlink resources and there are N control information sets, then asillustrated the control region requires at least j*N downlink resources.In some embodiments, the mapping of control information sets may bedetermined by a pre-defined rule known apriori to the mobile station(UE), such as ascending or descending order. In other embodiments, themapping of control information sets may be configured by higher layersignaling to the mobile station (UE). In yet another embodiment, thestart position of the scheduled downlink channel resource scheduled to acontrol information set may be jointly determined by a function based atleast in part on the total number of resources in the control region andthe transmission unit index.

As illustrated in FIG. 9, in yet another embodiment to distinguish thecontrol information sets from transmission units, the controlinformation sets may be scrambled by a scrambler 902 by differentscrambling sequences. In some embodiments, as illustrated in FIG. 9, theinformation bits that correspond to the control information set arescrambled by a sequence that is initialized by the transmission unitindex. In some embodiments, the parameters of the scrambling sequenceincluding but not limited to its structure (additive/multiplicative),generation, length, fundamental polynomial, initial state, etc. may becommunicated to the mobile station (UE) via higher layer signaling. Insome embodiments, the allocated time-frequency space for these controlinformation sets are non-overlapping. In some embodiments, the allocatedtime-frequency space for these control information sets are overlapping.

As illustrated in FIG. 10, in yet another embodiment to distinguishcontrol information sets from transmission units, the controlinformation sets may be augmented by a cyclic redundancy check (CRC)generated by CRC generator block 1002. In some embodiments the CRC alonemay be further scrambled as indicated by similar processing as describedabove and illustrated in FIG. 9, prior to augmenting the controlinformation sets. In yet other embodiments, the scrambling sequence usedto scramble the CRC may be jointly determined by a function based atleast in part on the transmission unit index or the UE identifier, suchas the radio network temporary identifier (RNTI), or a combination ofboth the transmission unit index and the UE identifier. In otherembodiments the parameters of the CRC including but not limited to itslength, generator polynomial, initial state, bit-order, byte order,endianness, etc. may be communicated to the mobile station (UE) viahigher layer signaling. In some embodiments, the allocatedtime-frequency space for these control information sets arenon-overlapping. In some embodiments, the allocated time-frequency spacefor these control information sets are overlapping.

In yet another embodiment to distinguish control information sets fromtransmission units, the control information sets may be furtherassociated together based on quasi co-location (QCL) of antenna ports.Antenna ports may be referred to as QCL if the mobile station (UE) isallowed to derive/assume/utilize the large scale channel properties asmeasured on one antenna port to be applicable to the associated QCLantenna port (e.g. the channel estimate based on port A can be used forport B at the UE). The large scale channel properties that may beconsidered includes one or more but is not limited to: Doppler spread,Doppler shift, delay spread, average delay, average gain, and/or spatialparameters.

In yet another embodiment, multiple demodulation reference signals(DMRS) used to demodulate the control information may be grouped in aresource set with respect to one or more large scale channel propertiesat either the mobile station (UE) or the base station (eNB/gNB). Inanother embodiment, the overhead synchronization signal (SS) and theDMRS resources are grouped together within a resource set with respectto one or more large scale channel properties.

In some embodiments, the overhead channel state information referencesignal (CSI-RS) and the DMRS resources are grouped together within aresource set with respect to one or more large scale channel properties.In some embodiments, the SS may be used as the reference for the DMRSwhen the DMRS is transmitted from the same TRP as the SS. In someembodiments, the CSI-RS may be used as the reference for the DMRS whenthe DMRS is transmitted from the same TRP as the CSI-RS. In otherembodiments, the SS may be used as the reference for the DMRS when theDMRS is transmitted from the same TRP and has similar transmit (Tx)beams as the SS. In other embodiments, the CSI-RS may be used as thereference for the DMRS when the DMRS is transmitted from the same TRPand has similar transmit (Tx) beams as the CSI-RS. In some embodiments,the channel properties may be pre-defined, while in other embodimentsthe information regarding the channel properties may be signaled byhigher layer signaling. In some embodiments, the allocatedtime-frequency space for these control information sets arenon-overlapping. In some embodiments, the allocated time-frequency spacefor these control information sets are overlapping. As illustrated inFIG. 11, in an exemplary embodiment, there are N QCL associations (1102)between SS resources 1110, 1112, . . . , 1118 and the DMRS 1120, 1122, .. . , 1128 configured to the mobile station (UE). The UE selects theproper analog beam 1130, 1132, . . . , 1138 based on the configured QCLassociation to detect, demodulate, and decode the associated controlinformation sets 1140, 1142, . . . , 1148.

As illustrated in FIG. 12A, in an exemplary embodiment, a wirelesscommunication method includes: forming M groups of data transmissionconfigurations, wherein the m^(th) group of data transmissionconfiguration correspond to the data transmission scheduled by maximumnumber of K_(m) control information sets, where M>0, m=1, . . . , M andK_(m)>0 (1202), defining one or more transmission settings for said Mgroups of data transmission configurations (1204), allocating number ofdata layers among the one or more transmission settings (1206),generating one or more control information sets associated with said oneor more transmission settings (1208), transmitting the one or morecontrol information sets to a wireless network (1210).

As illustrated in FIG. 12B, in an exemplary embodiment, a wirelesscommunication method includes: receiving a one or more controlinformation, receiving data based on the control information.

FIG. 14, in an exemplary embodiment to support the reception of multiplePDCCH's and the calculation of channel state information, illustratesthe forming of measurement configuration groups 1402, . . . , 1406,defining settings 1412, . . . , 1416, . . . , 1432, . . . , 1436.

In some embodiments, only one measurement group is formed. Furthermore,in some embodiments defining the parameters of the settings within ameasurement group may be done jointly across the group. In otherembodiments the parameters of the settings within a measurement groupmay be done independently. In some embodiments, the setting may includeRS settings to facilitate channel state information measurement or beammanagement. In some embodiments, the setting may include the reportsettings including but not limited to: channel state informationreporting and beam management results reporting.

In some embodiments allocating of the settings from one measurementgroup to different control information sets can be done jointly based onUE's capability. For example in some embodiments, there are J settingsthat need to be allocated to N control information sets. The settingswithin each measurement group may refer to the various settings andoptions in the wireless system including for example Radio ResourceControl (RRC) configuration, MAC configuration, Downlink ControlInformation (DCI) format, the related search space, and/or thecorresponding transmission scheme of the PDSCH corresponding to theassociated PDCCH, which takes into account the MIMO capabilities of themobile station (UE).

FIG. 15 illustrates some embodiments of the allocating of settings todifferent control resource sets. There are J_(m) 1502, 1504, . . . ,1508 settings that need to be allocated to N control information sets.For the n^(th) control information set, R_(n) settings are assigned. Insome embodiments, each of the settings in the measurement configurationgroup is assigned to exclusively to one of the control information set.The settings within each measurement configuration group may refer tothe various settings and options in the wireless system including forexample Radio Resource Control (RRC) configuration, MAC configuration,Downlink Control Information (DCI) format, the related search space,and/or the corresponding transmission scheme of the PDSCH correspondingto the associated PDCCH, which takes into account the MIMO capabilitiesof the mobile station (UE).

Defining R_(i) as the set of settings assigned to the i^(th) controlinformation set, in some embodiments, settings may be allocatedindependently or based on semi-persistent coordination among thecorresponding transmission units. If channel measurements based on thesesettings are to be conducted by the mobile station (UE) substantiallysimultaneously, the following condition should be satisfied:

${{{\sum\limits_{n = 1}^{N}\; R_{n}} = R};\left( {R_{n} \geq 1} \right)},$where R is the maximum number of settings the UE supports. In someembodiments, the UE may report the maximum number of settings itsupports for each PDCCH separately or together with the overall maximumnumber of settings it supports. Additionally, in some embodimentssemi-persistent coordination may allow the mobile station (UE) toconduct channel measurements according to the pre-configured periodicityin the semi-persistent coordination configuration.

In some embodiments, settings may be allocated independently or based onsemi-persistent coordination among the corresponding transmission units.If channel measurements based on these settings are to be conducted bythe mobile station (UE) substantially simultaneously, the followingcondition should be satisfied:

${{{R_{n} \leq {R_{n}^{T}\mspace{14mu}{and}\mspace{14mu}{\sum\limits_{n = 1}^{N}\; R_{n}^{T}}}} = R};\left( {R_{n} \geq 1} \right)},$where R is the maximum number of settings the UE supports and R_(n) ^(T)is the maximum number of settings the UE can support for channelmeasurements based on the n^(th) PDSCH from the corresponding TRU.

As illustrated in FIG. 17, in an exemplary embodiment, a wirelesscommunication method includes: forming M groups of measurementconfigurations, wherein the m^(th) group of measurement configurationcorresponds to the channel measurement scheduled by a maximum number ofK_(m) control information sets, where M>0, m=1, . . . , M and K_(m)>0(1702), defining one or more settings for said M groups of measurementconfigurations (1704), generating one or more control information sets(1706), allocating settings within one group to the one or more controlinformation sets (1708), transmitting the one or more controlinformation sets to a wireless network (1710).

As illustrated in FIG. 18, in an exemplary embodiment, a wirelesscommunication method includes: receiving a one or more controlinformation (1802), measuring the channel state information based on thecontrol information (1804).

As illustrated in FIG. 19, in an exemplary embodiment, a wirelesscommunication method includes: receiving a one or more controlinformation (1902), transmitting data based on the received controlinformation (1904).

In some embodiments, the allocation technique of (1206) is based atleast in part on allocating the number of data layers. In someembodiments, the forming technique of (1202) is based at least in parton forming the transmission groups based at least in part on differentcharacteristics of transmission techniques. In some embodiments, thedefining technique of (1204) is based at least in part on defining afirst transmission setting that is always configured within each groupof data transmission configurations. In some embodiments, the allocatingtechnique of (1206) is based at least in part on the allocating a numberof data layers to the 1st (always-on) transmission configuration bypre-defined rules that are known apriori to both the mobile station andthe transmission unit. In some embodiments, the allocating technique of(1206) is based at least in part on allocating the remaining number ofdata layers for the remaining transmission settings within one groupafter allocating the always-on transmission setting, that is based atleast in part on the mobile station's reported capabilities to processdata from the allocated number of data layers. In some embodiments, theallocating technique of (1206) with respect to number of data layers forall transmission settings within one group is based at least in part onthe semi-persistent coordination among the corresponding transmissionunits. In some embodiments, the allocating technique of (1206) withrespect to number of data layers for all transmission settings withinone group is based at least in part on the mobile station's reportedcapabilities to process data from the allocated number of data layers.

In some embodiments, the allocating technique of (1206) furthercomprises signaling dynamically to the mobile station. In someembodiments, the dynamic signaling defines a plurality of datasub-regions in which the sets of control information map scheduled datafrom corresponding transmission units to data sub-regions in both timeand frequency. In some embodiments, the control information set mappingcontains at least in part a direct bit map, wherein the length of thebit map corresponds to the total number of sub-regions (N), with acorresponding bit location for each sub-region, and a positive indicatorin the bitmap corresponds to the data sub-region containing scheduleddata. In some embodiments, the dynamic signaling of the plurality ofdata sub-regions is based at least in part on the total resources in thedata region and the index of the transmission unit. In some embodiments,the dynamic signaling of the plurality of sub-regions is based at leastin part on the total resources allocated for each data and the index ofthe transmission unit. In some embodiments, the control information setmapping is based at least in part on pre-defined fixed rules that areknown apriori to both the mobile station and the transmission unit.

In some embodiments, the generating technique of (1208) is based atleast in part on the insertion of a transmission unit fieldcorresponding to an index indicating which transmission unit therespective control information set is associated with. In someembodiments, the transmission unit field length is based at least inpart on the maximum supported control information sets within a singlescheduled time for the mobile station. In some embodiments, thetransmission unit field length is based at least in part on the totalnumber of transmitted control sets within a single scheduled time forthe mobile station.

In some embodiments, the control information sets of (1208) are groupedtogether in a control region based at least in part on both a time andfrequency grid. In some embodiments, the control information sets aretransmitted by the appropriate transmission unit respectively. In someembodiments, the control information set within the time frequencygrid's location is determined at least in part by the total resources inthe control region and the transmission unit index. In some embodiments,the control information set within the time frequency grid's location isdetermined at least in part on the size of the control information setand the link quality between the mobile station and the transmissionpoint. In some embodiments, the control information sets are transmittedby a single host transmission unit for all transmission units. In someembodiments, the mapping of the control information sets is based atleast in part on a pre-defined rule known apriori to the mobile stationand the host transmission unit. In some embodiments, the mapping of thecontrol information sets is based at least in part on signaling betweenthe mobile station and the host transmission unit. In some embodiments,the mapping of the control information sets is based at least in part onthe total resources in the control region and the transmission unitindex.

In some embodiments, the control information sets of (1208) arescrambled by a scrambling sequence. In some embodiments, the scramblingsequence is initialized based on transmission unit index. In someembodiments, the scrambling sequence is initialized based on signalingfrom the transmission unit and the mobile station. In some embodiments,the transmission unit index is indicated based on signaling.

In some embodiments, the control information sets of (1208) areaugmented by a cyclic redundancy check sequence. In some embodiments,the cyclic redundancy check sequence is based at least in part on thetransmission unit index. In some embodiments, cyclic redundancy checksequence is based at least in part on the mobile station identifier.

In some embodiments, the transmitting technique of (1210) is based atleast in part on quasi-colocation associations of reference signals toenable receive beamforming with an overhead reference signal. In someembodiments, the quasi-colocation properties are based at least in parton shared channel characteristics such as Doppler spread, Doppler shift,delay spread, average delay, average gain, and/or spatial parameters. Insome embodiments, the quasi-colocation properties determine a groupbased at least in part on the shared channel characteristics of Dopplershift and average delay. In some embodiments, quasi-colocation channelproperties determine a group based at least in part on the channelcharacteristics of Doppler shift, average delay, and/or spatialparameters. In some embodiments, quasi-colocation channel properties arepre-defined. In some embodiments, the quasi-colocation channelproperties are signaled to the mobile station.

Some of the embodiments described herein are described in the generalcontext of methods or processes, which may be implemented in oneembodiment by a computer program product, embodied in acomputer-readable medium, including computer-executable instructions,such as program code, executed by computers in networked environments. Acomputer-readable medium may include removable and non-removable storagedevices including, but not limited to, Read Only Memory (ROM), RandomAccess Memory (RAM), compact discs (CDs), digital versatile discs (DVD),etc. Therefore, the computer-readable media can include a non-transitorystorage media. Generally, program modules may include routines,programs, objects, components, data structures, etc. that performparticular tasks or implement particular abstract data types. Computer-or processor-executable instructions, associated data structures, andprogram modules represent examples of program code for executing stepsof the methods disclosed herein. The particular sequence of suchexecutable instructions or associated data structures representsexamples of corresponding acts for implementing the functions describedin such steps or processes.

Some of the disclosed embodiments can be implemented as devices ormodules using hardware circuits, software, or combinations thereof. Forexample, a hardware circuit implementation can include discrete analogand/or digital components that are, for example, integrated as part of aprinted circuit board. Alternatively, or additionally, the disclosedcomponents or modules can be implemented as an Application SpecificIntegrated Circuit (ASIC) and/or as a Field Programmable Gate Array(FPGA) device. Some implementations may additionally or alternativelyinclude a digital signal processor (DSP) that is a specializedmicroprocessor with an architecture optimized for the operational needsof digital signal processing associated with the disclosedfunctionalities of this application. Similarly, the various componentsor sub-components within each module may be implemented in software,hardware or firmware. The connectivity between the modules and/orcomponents within the modules may be provided using any one of theconnectivity methods and media that is known in the art, including, butnot limited to, communications over the Internet, wired, or wirelessnetworks using the appropriate protocols.

Only a few implementations and examples are described and otherimplementations, enhancements and variations can be made based on whatis described and illustrated in this disclosure.

What is claimed is:
 1. A wireless communication method, comprising:determining, by a base station, a transmission setting for a group ofdata transmission configuration in M groups of data transmissionconfigurations, M being a positive integer, wherein the transmissionsetting comprises a transmission scheme of a data channel correspondingto multiple control information sets on a control channel; andtransmitting, by the base station, the multiple control information setsto a mobile station on the control channel based on the transmissionsetting, wherein each of the multiple control information sets comprisesa transmission unit field indicating a transmission unit associated withthe corresponding control information set, and wherein a number of themultiple control information sets is represented as N, and wherein alength of the transmission unit field is indicated in a number of bitsthat is equal to ceiling[log 2 (N)].
 2. The method of claim 1, whereintime-frequency resources for the multiple control information sets areoverlapping or non-overlapping in time and frequency domain.
 3. Themethod of claim 1, further comprising: dynamically signaling, by thebase station in part based on the transmission unit field, resourceallocation information to the mobile station for data scheduled by thetransmission setting, wherein the signaling indicates one or more datasub-regions that are mapped to the transmission unit in both time andfrequency domain.
 4. The method of claim 3, wherein the signalingcomprises a bitmap that indicates mapping of the data sub-regions to thetransmission unit, wherein a length of the bitmap corresponds to a totalnumber of the data sub-regions, and wherein each data sub-region has acorresponding bit location in the bitmap with a value indicating whetherthe data sub-region includes scheduled data.
 5. A wireless communicationmethod, comprising: receiving, by a mobile station, multiple controlinformation sets on a control channel from a base station based on atransmission setting for a group of data transmission configuration in Mgroups of data transmission configurations, M being a positive integer,wherein the transmission setting comprises a transmission scheme of adata channel corresponding to the multiple control information sets onthe control channel, wherein each of the multiple control informationsets comprises a transmission unit field indicating a transmission unitassociated with the corresponding control information set, and wherein anumber of the multiple control information sets is represented as N, andwherein a length of the transmission unit field is indicated in a numberof bits that is equal to ceiling[log 2 (N)].
 6. The method of claim 5,wherein time-frequency resources for the multiple control informationsets are overlapping or non-overlapping in time and frequency domain. 7.The method of claim 5, further comprising: receiving, by the mobilestation, a dynamic signaling from the base station in part based on thetransmission unit field, wherein the dynamic signaling comprisesresource allocation information for data scheduled by the transmissionsetting, and wherein the dynamic signaling indicates one or more datasub-regions that are mapped to the transmission unit in both time andfrequency domain.
 8. The method of claim 7, wherein the dynamicsignaling comprises a bitmap that indicates mapping of the datasub-regions to the transmission unit, wherein a length of the bitmapcorresponds to a total number of the data sub-regions, and wherein eachdata sub-region has a corresponding bit location in the bitmap with avalue indicating whether the data sub-region includes scheduled data. 9.An apparatus for wireless communication, comprising a processor that isconfigured to: determine a transmission setting for a group of datatransmission configuration in M groups of data transmissionconfigurations, M being a positive integer, wherein the transmissionsetting comprises a transmission scheme of a data channel correspondingto multiple control information sets on a control channel; and transmitthe multiple control information sets to a mobile station on the controlchannel based on the transmission setting, wherein each of the multiplecontrol information sets comprises a transmission unit field indicatinga transmission unit associated with the corresponding controlinformation set, and wherein a number of the multiple controlinformation sets is represented as N, and wherein a length of thetransmission unit field is indicated in a number of bits that is equalto ceiling[log 2 (N)].
 10. The apparatus of claim 9, whereintime-frequency resources for the multiple control information sets areoverlapping or non-overlapping in time and frequency domain.
 11. Theapparatus of claim 9, wherein the processor is configured to: transmit,in part based on the transmission unit field, resource allocationinformation in a dynamic signaling to the mobile station for datascheduled by the transmission setting, wherein dynamic signalingindicates one or more data sub-regions that are mapped to thetransmission unit in both time and frequency domain.
 12. The apparatusof claim 11, wherein the dynamic signaling comprises a bitmap thatindicates mapping of the data sub-regions to the transmission unit,wherein a length of the bitmap corresponds to a total number of the datasub-regions, and wherein each data sub-region has a corresponding bitlocation in the bitmap with a value indicating whether the datasub-region includes scheduled data.
 13. An apparatus for wirelesscommunication, comprising a processor that is configured to: receivemultiple control information sets on a control channel from a basestation based on a transmission setting for a group of data transmissionconfiguration in M groups of data transmission configurations, M being apositive integer, wherein the transmission setting comprises atransmission scheme of a data channel corresponding to the multiplecontrol information sets on the control channel, wherein each of themultiple control information sets comprises a transmission unit fieldindicating a transmission unit associated with the corresponding controlinformation set, and wherein a number of the multiple controlinformation sets is represented as N, and wherein a length of thetransmission unit field is indicated in a number of bits that is equalto ceiling[log 2 (N)].
 14. The apparatus of claim 13, whereintime-frequency resources for the multiple control information sets areoverlapping or non-overlapping in time and frequency domain.
 15. Theapparatus of claim 13, wherein the processor is configured to: receive adynamic signaling from the base station in part based on thetransmission unit field, wherein the dynamic signaling comprisesresource allocation information for data scheduled by the transmissionsetting, and wherein the dynamic signaling indicates one or more datasub-regions that are mapped to the transmission unit in both time andfrequency domain.
 16. The apparatus of claim 15, wherein the dynamicsignaling comprises a bitmap that indicates mapping of the datasub-regions to the transmission unit, wherein a length of the bitmapcorresponds to a total number of the data sub-regions, and wherein eachdata sub-region has a corresponding bit location in the bitmap with avalue indicating whether the data sub-region includes scheduled data.17. The method of claim 5, further comprising: receiving the datachannel from the base station based on the transmission schemecorresponding to the multiple control information sets on the controlchannel.
 18. The apparatus of claim 13, wherein the processor is furtherconfigured to: receive the data channel from the base station based onthe transmission scheme corresponding to the multiple controlinformation sets on the control channel.